def paintEvent(self, event):
"""绘制事件"""
text = self.text()
option = QStyleOptionButton()
self.initStyleOption(option)
option.text = '' # 不绘制文字
painter = QStylePainter(self)
painter.setRenderHint(QStylePainter.Antialiasing)
painter.setRenderHint(QStylePainter.HighQualityAntialiasing)
painter.setRenderHint(QStylePainter.SmoothPixmapTransform)
painter.drawControl(QStyle.CE_PushButton, option)
# 变换坐标为正中间
painter.translate(self.rect().center())
painter.rotate(self._angle) # 旋转
# 绘制图片
if self._pixmap and not self._pixmap.isNull():
w = self.width()
h = self.height()
pos = QPointF(-self._pixmap.width() / 2,
-self._pixmap.height() / 2)
painter.drawPixmap(pos, self._pixmap)
elif text:
# 在变换坐标后的正中间画文字
fm = self.fontMetrics()
w = fm.width(text)
h = fm.height()
rect = QRectF(0 - w * 2, 0 - h, w * 2 * 2, h * 2)
painter.drawText(rect, Qt.AlignCenter, text)
else:
super(RotateButton, self).paintEvent(event)
def paintEvent(self, event):
stylePainter = QStylePainter(self)
stylePainter.drawPixmap(0, 0, self.pixmap)
